7117053: Fix build warnings in com/sun/tools/jdi/* Summary: Warnings fixed. Also reviewed by serguei.spitsyn@oracle.com, who is not yet an openjdk reviewer Reviewed-by: ksrini

These are the Java-level sources for the Serviceability Agent (SA).

To build, type "gnumake all".

For usage documentation, please refer to ../doc/index.html.